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Discussion Starter · #1 ·
just trying to source a nsr250 crank, conrods and bearings. not too sure if there are any other models that fit either?[hr]
TJR said:
just trying to source a nsr250 crank, conrods and bearings. not too sure if there are any other models that fit either?
its a 1990 mc21
 

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Those 300 kits will not see the bike get 80hp alone.. It will also have to have every other imaginable performance part in addition with some serious barrel and case work..

Also those 300 kits have been getting some very ordinary reviews..
 

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Yeah? Hmmm. I'd at least whack some chambers on the thing anyway. At the very least, theres your link for the OEM bottom end gear.

- boingk
 

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Discussion Starter · #5 ·
yeah thanks guys, i've read some reviews on the 300 kits, think i might just get the barrels replated and the top and bottom end kit, the nsr will still fly regardless. just port it, and clean up the excess castings inside the crank case and re-jet.
 
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